32922972 has 72 divisors (see below), whose sum is σ = 88524800. Its totient is φ = 10287648.

The previous prime is 32922949. The next prime is 32922973. The reversal of 32922972 is 27922923.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32922973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86679 + ... + 87057.

Almost surely, 2^32922972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32922972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44262400).

32922972 is an abundant number, since it is smaller than the sum of its proper divisors (55601828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32922972 is a wasteful number, since it uses less digits than its factorization.

32922972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 530 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 32922972 is about 5737.8543027860. The cubic root of 32922972 is about 320.5036729597.

The spelling of 32922972 in words is "thirty-two million, nine hundred twenty-two thousand, nine hundred seventy-two".